DRV81008-Q1
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AEC-Q100 qualified for automotive applications
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Temperature grade 1: –40°C to +125°C, TA
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- 3V to 40V Analog supply voltage
- Cranking capability down to 3V
- Supports LV124 Automotive standard
- 3V to 5.5V Digital supply voltage
- Compatible with 3.3V and 5V microcontrollers
- 42V minimum drain to the source clamping voltage
- RDS(ON): 700mΩ typical at 12V, 25 °C
- Current: 330mA per output at 85 °C, with all channels ON
- 2 parallel inputs with mapping functionality
- Fail-safe activation in Limp Home mode
- Using nSLEEP and IN pins
- Low-current sleep mode
- < 3µA for TJ ≤ 85 °C using nSLEEP pin
- 16-bit SPI interface for control and diagnosis
- Daisy Chain capability
- Compatible with 8-bit SPI devices
- Supports various protection features -
- Integrated Reverse battery protection
- Short circuit to ground and battery protection
- Stable behavior at under voltage conditions
- Over Current latch OFF
- Overtemperature warning
- Thermal shutdown latch OFF
- Overvoltage protection
- Loss of battery and loss of ground protection
- Electrostatic discharge (ESD) protection
- Supports several diagnostic features -
- Diagnostic information via SPI register
- Over Load detection in ON state
- Open Load detection in OFF state
- Input and Output Status Monitor
The DRV81008-Q1 is an eight-channel low-side driver with integrated protection and diagnostic features. It is designed to control relays in automotive and industrial applications.
A serial peripheral interface (SPI) with daisy chain capability controls and diagnoses the loads and the device. Two input pins with mapping functionality allow direct PWM control of the outputs. The device supports Limp Home mode for fail-safe activation.
Each low-side switch of the DRV81008-Q1 has 700mΩ ON resistance. The device can support 330mA current per output when all eight channels are ON simultaneously. Integrated clamp circuits on each output dissipates the stored energy during turning OFF inductive loads.
The DRV81008-Q1 supports various protection features such as undervoltage, overvoltage, short circuit, and open load detection. A high level of integration with embedded protection and diagnostic features makes the DRV81008-Q1 an excellent choice for automotive body and powertrain applications, as well as industrial relay control applications.
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技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | DRV81008-Q1: 8-channel, 40V, 700mΩ, Fully Protected Low-side Driver datasheet (Rev. B) | PDF | HTML | 2025/2/4 | ||
| 功能安全資訊 | DRV81008-Q1 Functional Safety FIT Rate, FMD and Pin FMA | PDF | HTML | 2025/1/24 |
設計與開發
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| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| HTSSOP (PWP) | 24 | Ultra Librarian |
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